Electric lamp and discharge devices – Incandescent lamps
Patent
1988-12-21
1990-04-24
Boudreau, Leo H.
Electric lamp and discharge devices
Incandescent lamps
313318, 315 57, 315 58, H01J 700
Patent
active
049202979
ABSTRACT:
Electric lamp having a lamp envelope and a synthetic material lamp bowl which is secured to the lamp envelope and is provided with a lamp cap (7). The lamp envelope, on its side facing the lamp bowl, is provided with a plurality of projecting plate-shaped members extending substantially parallel to the lamp axis (A-B). The inner wall of the lamp bowl has ribs which also extend substantially parallel to the lamp axis. The plate shaped members engage the ribs to secure the lamp envelope to the lamp bowl.
REFERENCES:
patent: 2336529 (1943-12-01), Cartun
patent: 3775634 (1973-11-01), Hasell et al.
patent: 4295076 (1981-10-01), Eckhardt et al.
patent: 4383200 (1983-05-01), Van Zon et al.
patent: 4496874 (1985-01-01), Sanders et al.
Derks Pierre L. L. M.
Penning Cornelis
van der Heijden Johannes M. A.
Boudreau Leo H.
Razavi Michael
U.S. Philips Corporation
Wieghaus Brian J.
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